CVE-2026-0865 | Python CPython up to 3.14.x HTTP Header injection (EUVD-2026-3520 / Nessus ID 296553)
A vulnerability was found in Python CPython up to 3.14.x. It has been declared as problematic. The affected element is an unknown function of the component HTTP Header Handler. Executing a manipulation can lead to injection.
This vulnerability is registered as CVE-2026-0865. It is possible to launch the attack remotely. No exploit is available.
It is recommended to upgrade the affected component.